The world’s biggest snake resides in the Amazon, and with the largest predators being one of the best indicators of the condition of an environment, a single scale from the giant green anaconda has the ability to reveal the health of the entire ecosystem. What is a dream and thrilling prospect for Professor Bryan Fry is a daunting reality for @WillSmith. Watch Pole to Pole with Will Smith, Wednesdays at 8pm on National Geographic UK Also streaming on Disney | National Geographic UK

Longest verifiably measured wild snake 🐍 7.22 m (23 ft 8 in) from head to tail - a female reticulated python, named Ibu Baron (“The Baroness”). She was recently discovered in the Maros region of Sulawesi, Indonesia, in late 2025 and measured by Diaz Nugraha and Radu Frentiu on 18 January 2026. Ibu Baron is now in the care a local conservationist Budi Purwanto. | Guinness World Records